OM DENNE EPISODE
20 million people have a thyroid condition and 60% don't even know it — because the labs your doctor runs are barely scratching the surface of what's actually going on.
In today's episode of The Wellness Effect, Kira breaks down how the thyroid actually works — from the brain-driven HPT axis to the T4-to-T3 conversion process — and why "normal" TSH doesn't mean your thyroid is fine. The trio unpacks what really drives thyroid dysfunction (stress, gut health, liver congestion, blood sugar, minerals, toxins, and autoimmunity), plus which labs to actually ask for and what to do if your doctor won't run them.
Key Takeaways
- TSH isn't a thyroid hormone — it's a signal from your brain, and a "normal" TSH can still hide real dysfunction in T3, reverse T3, or antibody levels.
- Most thyroid hormone conversion happens outside the thyroid — 60-70% in the liver, 20% in the gut — so liver and gut health are often the real root cause.
- Minerals (iodine, selenium, zinc, iron, magnesium) are required raw materials for thyroid hormone production and conversion, not optional extras.
Chapters
[00:00] - Intro: Why Thyroid Issues Are So Common
[01:24] - What Your Thyroid Actually Does
[04:50] - The HPT Axis: How Your Brain Controls Your Thyroid
[07:50] - T4 vs T3: How Thyroid Hormone Is Made
[13:57] - Reverse T3 Explained
[19:19] - The Thyroid Labs You Should Ask For
[24:46] - Hypothyroid vs Hyperthyroid Symptoms
[30:21] - What's Really Driving Thyroid Dysfunction
[35:46] - The Minerals Your Thyroid Needs
[44:32] - Toxins, Autoimmunity & Hashimoto's
[52:02] - What To Actually Do About It
[57:18] - Why Working With a Practitioner Matters
Resources & Mentions
- HTMA (Hair Tissue Mineral Analysis) testing
- GI Map testing
- Related episode: previous toxic/low-tox living episode hosted by Lacey (referenced re: environmental toxins)
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